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134L5891 Danfoss VLT AQUA Drive FC=202 37 KW / 50 HP, 380 - 480 VAC, IP20
MPN: 134L5891
Alt. SKU: FC-202P37KT4E20H2TXXXXXSXXXXALBXCXXXXDX
Why Choose the Danfoss 134L5891 VLT® AQUA Drive FC 202?
The Danfoss 134L5891 is a powerful VLT® AQUA Drive FC 202, engineered for demanding water, wastewater and industrial fluid handling applications. This advanced variable frequency drive (VFD) delivers precise motor control, high efficiency and reliable operation in medium to high-power installations.
Designed specifically for pump and fan systems, the AQUA Drive range incorporates intelligent features such as pressure regulation, flow optimisation and cascade control. These capabilities reduce energy consumption, minimise hydraulic stress and ensure stable system performance across critical infrastructure.
With a rated output power of 37 kW and compatibility with three-phase 380–480 V AC supply, the Danfoss 134L5891 is ideal for industrial pumping systems, HVAC installations and fluid handling processes requiring efficient and consistent motor control.
Key Advantages
- Purpose-built AQUA drive for water and wastewater systems.
- 37 kW motor capacity for medium to high-demand applications.
- Three-phase 380–480 V AC input compatibility.
- Advanced energy optimisation reduces operating costs.
- Improves system reliability and reduces hydraulic stress.
- Robust design for continuous industrial operation.
Key Features
- Danfoss VLT® AQUA Drive FC 202 series.
- 37 kW (50 HP) rated output power.
- Three-phase 380–480 V AC input supply.
- IP20 chassis design for cabinet installation.
- Integrated RFI filter for EMC compliance.
- Safe Torque Off (STO) safety function.
- PROFINET (MCA 120) communication module.
- No local control panel configuration.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® AQUA Drive FC 202
- Model: 134L5891
- Product type: AC variable frequency drive
- Rated output power: 37 kW (50 HP)
- Rated current (NO): approx. 73 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20 (chassis)
- Mounting type: Panel / cabinet mounting
- Frame size: B4
- Dimensions (H × W × D): approx. 516 × 229 × 242 mm
- Weight: approx. 20.7 kg
- PCB coating: Not coated
- Brake function: Safe Stop (STO)
Efficient Motor Control for Industrial Pumping Systems
The VLT® AQUA Drive FC 202 regulates motor speed by adjusting voltage and frequency, enabling precise control of pressure and flow. This enhances energy efficiency while reducing mechanical wear and extending the lifespan of pumps and system components.
With integrated features such as Automatic Energy Optimisation and advanced communication capabilities, the drive is well suited for industrial automation systems where reliability, performance and connectivity are essential.
Typical Applications
- Water and wastewater treatment plants.
- Booster pump and pressure control systems.
- Industrial fluid handling and processing.
- HVAC and building services.
- Irrigation and water distribution systems.
Frequently Asked Questions
What is the Danfoss 134L5891 used for?
This drive is designed for controlling pumps and motors in water and wastewater applications, ensuring efficient and reliable system performance.
What motor power does this drive support?
It supports motors with a rated output power of 37 kW.
What supply voltage does it require?
The drive operates on a three-phase 380–480 V AC supply.
Does it include a local control panel?
No, this configuration does not include a local control panel (LCP), but external control options are available.
Does it support industrial communication protocols?
Yes, it includes PROFINET communication for integration into industrial automation systems.
Trusted by Water Industry Professionals
Danfoss VLT® AQUA Drives are widely trusted worldwide for delivering reliable, energy-efficient and application-specific motor control in water and wastewater systems.
| Manufacturer Part Number | 134L5891 |
|---|---|
| Barcode | 5710107810802 |
| Height | 516mm |
| Width | 229mm |
| Depth | 242mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP20 |
| KW Rating | 37kW |
| VSD Range | Danfoss VLT AQUA Drive FC 202 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P37KT4E20H2TXXXXXSXXXXALBXCXXXXDX |
This unit is designed for water and wastewater applications and has a variety of powerful features, with add-ons which can enhance performance. These drives are suited to new or retrofit projects.
Adding motor control to pumps and blowers used for water and wastewater treatment means it's easier to handle variable workloads. This drive provides between 10% and 30% savings in the first year alone, when compared to traditional drives, as it offers low maintenance costs and energy consumption.
The quick and user-friendly setup of water and pump settings reduces installation time ensuring a fast route to maximum energy efficiency and motor control.
Supply voltages and power range
1 x 200-240 V...1.1-22 kW
1 x 380-480 V...7.5-37 kW
3 x 200-240 V...0.25-45 kW
3 x 380-480 V...0.37 kW – 1 MW
3 x 525-600 V...0.75-90 kW
3 x 525-690 V...45 kW – 1.4 MW
Low harmonic drive
3 x 380-480 V...132-710 kW
12-pulse drive
3 x 380-690...250-1400 kW
Features and benefits
- Assets are protected thanks to specially designed software that prevents, for example, water hammering
- Energy efficiency is maximized as a result of the drives control algorithms and design which focus on reducing heat loss
- High energy savings related to air conditioning are ensured due to the unique back-channel-cooling concept that transfers 90% of heat away from the room
- Electromagnetic interference and harmonic distortion are reduced thanks to the built-in, scalable RFI filter and integrated DC link chokes
- Perfect system integration and adaptation to the application are possible due to freely programmable warnings and alerts
- 3–8% energy savings are achieved as a result of Automatic Energy Optimization
Applications
Centrifugal pumps and blowers, positive displacement blowers.
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For further information on this product please get in touch with our team or visit the Danfoss website.